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Downstream speed = 360/10 = 36 km/hour Upstream speed = 360/15 = 24 km/hour So, speed of boatman in still water = (36 + 24)/2 = 30 km/hour Therefore, required time = 480/30 = 16 hours
The profit on selling an article for Rs.425 is the same as the loss on selling it for Rs.355, then the cost price of the article is
Aanchal sold a watch to Aman at a 20% profit. Subsequently, Aman sold the watch to Amit at a 15% profit. The difference between the selling price at whi...
Mohan sold an article for Rs. 15,000. Had he offered a discount of 10% on the selling price, he would have earned a profit of 8%. What is the cost price...
A shopkeeper marked an article 70% above its cost price and made a profit of Rs. 742 when he sold the article after giving a discount of 10%. Find the p...
The cost price of a pen is Rs. 200. If the marked price and selling price of the pen are 25% more and 20% more, respectively than its cost price, then f...
A shopkeeper sold a school bag at a profit of 30%. Had he sold the school bag at 15% profit he would have earned Rs.105 less. Find the cost price of the...
The cost price of a blanket is Rs. 900. A seller sells one blanket with a profit of 18%, while the second blanket is sold at a loss of Rs. 150. Determin...
The ratio of the cost price to the marked price of an article is 2:5 and the ratio of the profit percentage to the discount percentage is 5:2. Find the...
Cost of 10 shirts and 12 pants is Rs. 7,800 and the cost of 8 shirts and 11 pants is Rs. 6,450. Find the total cost of 5 shirts and 4 pants.
The combined average cost price of two items, Almonds and Walnuts, is Rs. 450. If Almonds are sold at a profit of 50% and Walnuts at a loss of 25%, resu...
